package com.syn.syn1;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.LinkedBlockingDeque;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

/**
 * @Auther: zch
 * @Date: 2019/1/8 09:25
 * @Description:
 */
public class ExtThreadPool {
      public static void main(String[] args) throws InterruptedException
          {
              ExecutorService es=new ThreadPoolExecutor(5,5,0L, TimeUnit.MICROSECONDS,new LinkedBlockingDeque<Runnable>()){

                  @Override
                  protected void beforeExecute(Thread t, Runnable runnable) {
                      System.out.println("准备执行："+((MyTask)runnable).name);
                  }

                  @Override
                  protected void afterExecute(Runnable r, Throwable t) {
                      System.out.println("执行完成");
                  }

                  @Override
                  protected void terminated() {
                      System.out.println("线程池退出");
                  }
              };
              for (int i=0;i<5;i++) {
                  MyTask task = new MyTask("TASK-GEYM-" + i);
                  es.execute(task);
                  Thread.sleep(1000);

              }
              es.shutdown();

          }

    public static class MyTask implements Runnable {
        public String name;

        public MyTask(String name) {
            this.name = name;
        }


        @Override
        public void run() {

            System.out.println("正在执行:" + Thread.currentThread().getId() + "Task Name="+name);
            try {
                Thread.sleep(1000);

            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }

}
